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Finding the Fourth Proportional to 444,762.28, 613,161.89 and 281,337.49

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Solution

The fourth proportional to 444,762.28, 613,161.89 and 281,337.49 is: 387,859.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,762.28 : 613,161.89 = 281,337.49 : x
  2. Step 2: Convert to fraction form
    444,762.28/613,161.89 = 281,337.49/x
  3. Step 3: Cross multiply
    444,762.28x = 613,161.89 × 281,337.49
  4. Step 4: Simplify right side
    444,762.28x = 172,505,425,689.57
  5. Step 5: Solve for x
    x = 172,505,425,689.57/444,762.28
  6. Step 6: Final answer
    x = 387,859.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.